After its launch on Sunday evening, Cork Week 2026 Regatta opened at Royal Cork Yacht Club on Monday with early leaders emerging across the main IRC, Coastal, Non-Spinnaker and Sportsboat fleets.

According to Principal Race Officer Con Murphy, competitors on the windward-leeward course enjoyed ideal opening-day conditions for Cork Week 2026.

Coastal Charge: The Coastal 1 fleet stretches across Cork Harbour under bright opening-day conditions at Cork Week 2026. Boats including Escapade and Aris race towards the harbour after the first day's competition. Photo: Robert Bateman

Murphy, who was Race Officer on the windward-leeward course laid about one nautical mile south-west of Roche's Point, said the fleet raced in "lovely sailing conditions" with a 15 to 18-knot southerly breeze.

Five Abreast: The tightly packed J/109 fleet powers downwind on the windward-leeward course off Roche's Point during the opening day of Cork Week 2026. Barry Cunningham's Chimaera emerged from the opening races with a perfect three-win scorecard. Photo: Con Murphy

"Good sunshine mixed with some mist and fog at times" provided a fitting backdrop as the IRC 0 and IRC 1 fleets completed their opening races, while other fleets passed through Cork Harbour on their respective courses.

As Afloat reported earlier, the Beaufort Cup fleet are on an overnight race round the Fastnet Rock and are schedule to return on Tuesday morning. Tracker here.

Evans In Command Of IRC Zero

Picture Perfect: Michael and Richard Evans' J/112E The Big Picture powers downwind under spinnaker on its way to a clean sweep of three race wins and the overnight lead in IRC Class 0 on the opening day of Cork Week 2026. Photo: Robert Bateman

Michael and Richard Evans lead Class 0 IRC in the J/112E The Big Picture after three straight wins in the four-boat fleet.

Simon Britten is second in the modified One Tonner Hero, also counting three second places. Nick Southward lies third in the J/122 Whiskey Jack.

Chimaera Makes It Three From Three

Clear Leader: Barry Cunningham's J/109 Chimaera flies its white spinnaker on the windward-leeward course off Roche's Point during the opening day of Cork Week 2026. Three race wins from three gave the RCYC/RIYC crew the overnight lead in IRC Class 1. Photo: Con Murphy

Barry Cunningham leads Class 1 IRC in the J/109 Chimaera after a perfect opening day in the seven-boat fleet.

John Maybury is second in the J/109 Joker 2, with Andy Williams third in the J/109 Ctrl-J. The class is shaping into an early J/109 contest.

Swuzzlebubble Starts Strongly in IRC 2

Early Battle: James Dwyer's Farr Half Tonner Swuzzlebubble (centre right), winner of the opening IRC Class 2 race, crosses tacks with rival Allig8r while Paddy Kyne's Coastal 2 IRC leader Maximus sails to the left of frame during Cork Week 2026 in Crosshaven. Photo: Robert Bateman

Through the Haze: Allig8r, sailed by P. Levins, B. Foley and C. Twomey, emerges from the mist under spinnaker during the opening day of Cork Week 2026. The Beneteau FC 8 finished second in IRC Class 2 after the opening race. Photo: Con Murphy

James Dwyer leads Class 2 IRC in the Farr Half Tonner Swuzzlebubble after the opening race in the six-boat fleet.

P Levins, B Foley and C Twomey are second in the Beneteau FC 8 Allig8r. Ronan Downing is third in the Andrieu Half Tonner Miss Whiplash.

BLT Tops Quarter Ton Battle

Bow to Bow: Sam Laidlaw's Quarter Tonner BLT (left) flies a white spinnaker as the IRC Class 3 leader crosses with the fleet off Crosshaven during the opening day of Cork Week 2026. BLT won the opening race to take the early advantage in the 14-boat class. Photo: Bob Bateman

Sam Laidlaw leads Class 3 IRC in the Quarter Tonner BLT after race one in the 14-boat fleet.

Anton Korshunov is second in the Quarter Tonner Symmetry. Colman Garvey and Kieran Kelleher are third in the Quarter Tonner Illegal.

El Syd Opens With Victory

Bluewater Beauty: William Sunnucks' Grand Soleil 46.3 Sweet Caroline races on the Coastal course during the opening day of Cork Week 2026. The Haven Ports YC/RORC entry finished fifth in the 14-boat Coastal 1 IRC fleet. Photo: Robert Bateman

Frank Whelan leads Coastal 1 IRC in the Sydney 43 GTS El Syd after the first race in the 14-boat fleet.

Robin Young is second in the J/109 Jings. James Peter Donegan is third in the J/109 Jalapeno.

Pocket Rocket: Toy Time, Michael Barlow's Saffier SE 24 Lite from Ocean Village, races on the Coastal course during the opening day of Cork Week 2026 in Crosshaven. Photo: Bob Bateman

Maximus Heads Coastal Two

Paddy Kyne leads Coastal 2 IRC in the X-302 Maximus after the opening race in the 11-boat fleet.

Kieran Collins is second in the S&S 34 Mallard. Denis Byrne is third in the Elan 31 Grin & Bear It.

Big Mac Claims Early Edge in Non-Spinnaker 1 IRC

Holding Course: Aidan Heffernan's Dehler 36 Indulgence finished the opening day second overall in Non-Spinnaker 1 IRC after two races at Cork Week 2026, sitting just one point behind the leaders. Photo: Robert Bateman

The McGrath family leads Non-Spinnaker 1 IRC in the Dehler 34 Big Mac after two races in the eight-boat fleet.

Aidan Heffernan is second in the Dehler 36 Indulgence. Kieran O'Brien is third in the MG335 Magnet.

Shillelagh Holds Narrow Lead in Non-Spinnaker 2 IRC

Close Contest: Sean Hanley's HB31 Luas races off Roche's Point during the opening day of Cork Week 2026. The Royal Cork YC entry ended the day third overall in Non-Spinnaker 2 IRC after two races. Photo: Robert Bateman

John Twomey leads Non-Spinnaker 2 IRC in the Blazer 23 Shillelagh after two races in the 11-boat fleet.

Ian Hickey is level on points in second in the Granada 38 Cavatina. Brendan Egan is third in the U Class Boekanier.

Sheep Dawg Completes Clean Sweep in Sportsboat Fleet

Trevor D’Arcy leads the Sportsboat fleet in the VX One Sheep Dawg after three wins from three in the six-boat fleet.

Matthew McClernon is second in the VX1 Blur. Ian Patterson is third in the Rondar Viper 640 Sid.

Echo Leaders

Hot Start: James Peter Donegan's J/109 Jalapeno powers along the Coastal course during the opening day of Cork Week 2026. The RCYC/RORC crew finished third in Coastal 1 IRC and topped the Coastal 1 Echo standings. Photo: Bob Bateman

In Echo, The Big Picture leads Class 0, Mark Ivers and Donal Keane lead Class 1 in the J/92s Ejine, and Swuzzlebubble leads Class 2.

In Class 3 Echo, Garvey and Kelleher lead in Illegal. In Coastal Echo, Donegan's Jalapeno leads Coastal 1, while Fergal Lyons leads Coastal 2 in the Beneteau First 35 Out of the Blue.

White Pearl, sailed by David Greene, leads Non-Spinnaker 1 Echo. Conor Hanlon leads Non-Spinnaker 2 Echo in the Sun Odyssey 34.2 Lapwing.

ICRA Leaders

The ICRA divisions mirror several of the main IRC battles.

The Big Picture leads Class 0 ICRA, Chimaera leads Class 1 ICRA, Swuzzlebubble leads Class 2 ICRA, and Symmetry leads Class 3 ICRA.

In Coastal ICRA, El Syd leads Coastal 1 and Maximus leads Coastal 2. In Non-Spinnaker ICRA, Big Mac leads NS1 and Shillelagh leads NS2.